Answer:
A
Explanation:
it is because it began a new millennium
Answer: D, splitting water into hydrogen and oxygen is a chemical change.
Answer:
Explanation:
When potassium chloride reacts with lead acetate in aqueous medium, it gives white precipitate of lead chloride and potassium acetate in aqueous medium as a product.
As shown in chemical reaction given below:
the correct answer would be the sun
(4) total number of valence electrons, because they exist in the same group.